Cold resistant frogs fit your description. Hyla japonica withstands freezing to -30°C They function just fine after thawing. https://en.wikipedia.org/wiki/Japa

Cold resistant frogs fit your description. Hyla japonica withstands freezing to -30°C They function just fine after thawing. https://en.wikipedia.org/wiki/Japanese_tree_frog#Cold_resistance https://en.wikipedia.org/wiki/Japanese_tree_frog#Cold_resist...